No I haven't but now that you mentioned I will give it a try. Could you point me to the bug?
Thanks, Mick On May 26, 7:53 pm, "Nick Johnson (Google)" <nick.john...@google.com> wrote: > Hi Mick, > > Have you tried this on appspot? There's a known bug in the > dev_appserver whereby it ignores transparency for image.composite, but > it should work fine in production. > > -Nick Johnson > > > > On Sat, May 23, 2009 at 7:41 PM, Mick <mickler...@gmail.com> wrote: > > > Hello, > > > I'm trying to create a watermark on an image by using the app engine > > images composite function. However the function doesn't seem to > > respect the transparency in my overlay image, which is just a > > copyright symbol. It fills the transparent area with white so the > > final output looks like thishttp://bayimg.com/image/eaaagaacb.jpg. I > > have tried all sorts of combinations for opacity and image types but > > nothing seems to work right. Please advise. > > > [code] > > def post(self): > > im = avatar = self.request.get("image") > > image = images.Image(im) > > > result = > > urlfetch.Fetch('http://upload.wikimedia.org/wikipedia/ > > commons/5/58/Red_copyright.png') > > copyright = result.content > > new_image = images.composite([ > > > > (im, 0 ,0, 1.0, images.TOP_LEFT), > > > > (copyright, 0 ,0, 0.5, images.CENTER_CENTER)], > > > > image.width, > > > > image.height, > > > > 0, > > > > images.PNG) > > self.response.headers['Content-Type'] = "image/png" > > self.response.out.write(new_image) --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---
